On Fri, Aug 23, 2019 at 11:11 PM Lee Rick <blade2i...@gmail.com> wrote:
>
> it's not my need, hope other methods
What is your need? What are the types of the variables d1, d2, d3 in
your example?
>
> 在 2019年8月24日星期六 UTC+8上午11:43:32，burak serdar写道：
>>
>> On Fri, Aug 23, 2019 at 9:25 PM Lee Rick <blade...@gmail.com> wrote:
>> >
>> > i want to do
>> > type A struct{ Name string}
>> > type B struct{Age int}
>> > type C struct{Address string}
>> >
>> > a, b, c := A{}, B{},C{}
>> > have a function
>> > d1 := merge(a,b) //d1 like struct{Name string, Age int}
>> > d2 := merge(a,c) //d2 like struct{Name string, Address string}
>> > d3 := merge(b,c) //d3 like struct{Age int, Address string}
>>
>> You cannot have a function that merges two structs and returns a new
>> one, but you can have structs that are compositions of other structs.
>>
>> type AB struct {
>> A
>> B
>> }
>>
>> Struct AB is a struct containing both A and B. You can access the
>> members of A and B as though they're members of AB.
>>
>> ab:=AB{}
>> ab.Name="a"
>> ab.Age=1
>>
>> This is also valid:
>>
>> ab.A.Name="a"
>> ab.B.Age=1
>>
>> Initialization has to be explicit though:
>>
>> ab:=AB{A:A{Name:"name"}, B:B{Age:1}}
>>
>>
>>
>>
>> >
>> >
>> > how to realize merge function? anyone can give me a demo
>> >
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>
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